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  #3 (permalink)  
Old 12-15-2003
jayakhanna jayakhanna is offline
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Join Date: Dec 2003
Location: India
Posts: 50
You can try this way also if you want as a single command to be executed one at a time

# export VAR="adafadfadf"
# export LENGTH=`expr "$VAR" : '.*'`
# echo $LENGTH
10
# export VAR=""
# export LENGTH=`expr "$VAR" : '.*'`
# echo $LENGTH
0
#

Regards